Road Speed Data - Triumph TR2 Service Manual

GENERAL SPECIFICATION
VALVE
TIMING. [With
valve-rocker clearance set at 0.015" (0.38 mm.)].
Inlet valve opens 15" before top dead centre.
Exhaust valve closes 15" after top dead centre.
(15" before or after
T.D.C.
is equivalent to 0.08 1" piston travel or 1 S "
(3.81 cm.) measured round the flywheel adjacent to the starter teeth).
VALVE-ROCKER CLEARANCES (see page 26).
IGNITION TIMING (see page 27).
Set to fire at 4' before top dead centre (distributor contact points just
opening). As the advance is fully automatic, the semng is at full retard.
Contact breaker gap should be set at 0.015" (0.4 mm.).
ROAD SPEED DATA
1
O.D.
Gearbox Ratios
-
O.D.
3rd
1 .O9
Re-
verse
4.35
-
16.1
17.8
2180
1350
O.D.
3rd
/
2nd
1
2nd
- - p
1.325
1
1.64
/
2.00
- - -
4.9
/
6.07
1
7.4
5.3
6.57 8.0
Overall Ratios :
3.7 Axle . . . . . . . . . . .
4.1 Axle
. . . . . . . . . .
.
.
l
- 1 -
l
Engine Speeds (3.7 axle)
Using Dunlop Tyres :
at 10 m.p.h.
at 10 !un./hr.
Using Michelin X Tyres :
at 10 m.p.h.
at 10 km./hr.
Engine Speeds (4.1 axle)
Using Dunlop Tyres :
at 10 m.p.h.
at 10 km./hr.
Using Michelin X Tyres
:
at l0 m.p.h. ...
....,.
at 10 km./hr.
.....
....
SPORTS
CAR